Driveshaft Vibrates
WARNING: This page is about a different car, the 2006 Mercury Grand Marquis and 2006 Ford Crown Victoria. However, it is still accessible from the selected car via links, so may be relevant.
- Road test the vehicle to determine the critical vibration points. Note the road speed, the engine rpm and the shift lever positions at which the vibration occurs.
- Stop the vehicle, place the transmission lever in NEUTRAL and run the engine through the critical speed ranges determined in Step 1.
- If no vibration is felt, balance the driveshaft. Refer to DRIVELINE VIBRATION .